Mastering Positive and Negative Integer Operations

This video tutorial from Mumu Math explains how to add and subtract integers, focusing on the rules for handling different and same signs. It provides step-by-step examples to illustrate the process, including converting subtraction problems into addition problems. The video concludes with a reminder to subscribe for more math tutorials.

What is the first question you should ask yourself when solving an integer problem?

• Is the problem subtraction?

• Is the problem addition?

• Are the numbers negative?

• Are the numbers positive?

Tags

CCSS.7.NS.A.1C

If the problem is addition and the signs are the same, what should you do?

• Subtract the absolute values

• Add the absolute values

• Change the signs

• Ignore the signs

Tags

CCSS.7.NS.A.1C

When adding integers with different signs, what is the next step after finding the absolute values?

• Add the absolute values

• Change the signs

• Subtract the smaller absolute value from the larger one

• Multiply the absolute values

Tags

CCSS.7.NS.A.1C

What should you do if the signs of the numbers in an addition problem are the same?

• Ignore the signs

• Change the signs

• Add the absolute values

• Subtract the absolute values

Tags

CCSS.7.NS.A.1C

If the problem is subtraction, what should you do first?

• Multiply the numbers

• Ignore the signs

• Add the numbers directly

• Change the subtraction sign to addition

Tags

CCSS.7.NS.A.1C

After changing a subtraction problem to addition, what should you do with the sign of the number behind the subtraction sign?

• Keep it the same

• Change it to its opposite

• Multiply it by -1

• Ignore it

Tags

CCSS.7.NS.A.1C

In the example 8 - 5, what is the result after applying the rules for different signs?

• -3

• 3

• 13

• -13

Tags

CCSS.7.NS.A.1C

In the example 5 + 9, what is the result after applying the rules for different signs?

• 14

• -4

• 4

• -14

Tags

CCSS.7.NS.A.1C

In the example -3 - 12, what is the result after converting to addition and applying the rules?

• -9

• -15

• 15

• 9

Tags

CCSS.7.NS.A.1C

In the example -12 + 7, what is the result after applying the rules for different signs?

• -5

• 5

• -19

• 19

Tags

CCSS.7.NS.A.1C